A member of the American Society of Composers, Authors and Publishers (ASCAP), Liles is also composer and arranger of music for religious and popular groups, as well as barbershop quartet and chorus singers. His barbershop catalog contains hundreds of original compositions and arrangements. Liles is listed in the International Who's Who in Music, received the 1999 MENC: National Association for Music Education award for his work in promoting music education. He is a life member of the Nashville Songwriters Association International (NSAI) and an honorary life member of Sweet Adelines International.